Vertical paper towel rack



FIG. 1 is a first perspective view of a vertical paper towel rack showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in the drawings depict portions of the vertical paper towel rack that form no part of the claimed design. 

CLAIM The ornamental design for a vertical paper towel rack, as shown and described. 